ʻO Anxin Cellulose Co., Ltd ka mea hana Hydroxypropyl methyl cellulose HPMC a me ka mea hoʻolako hale hana ma Kina, me kona inoa inoa kiʻekiʻe ʻo AnxinCel® Cellulose ethers.
He nānā wikiwiki i ka hydroxypropyl methylcellulose HPMC
ʻEkahi, he aha ka hoʻohana nui ʻana o ka hydroxypropyl methyl cellulose?
Hoʻohana nui ʻia ka HPMC i nā mea hana hale, nā uhi, nā resins synthetic, nā keramika, nā lāʻau lapaʻau, ka meaʻai, ka lole, ka mahiʻai, nā mea hoʻonani, ka paka a me nā ʻoihana ʻē aʻe. Hiki ke hoʻokaʻawale ʻia ka HPMC i ka papa ʻoihana, ka papa meaʻai a me ka papa lāʻau lapaʻau e like me kona hoʻohana ʻana.
ʻElua, ua māhele ʻia ka hydroxypropyl methyl cellulose i kekahi mau ʻano, a he aha ka ʻokoʻa ma waena o ia mea?
Hiki ke hoʻokaʻawale ʻia ka HPMC i ke ʻano koke (ʻo ka hopena papa "S") a me ke ʻano hoʻoheheʻe wela, nā huahana koke, i ka wai anuanu e hoʻopuehu koke ʻia, nalowale i ka wai, i kēia manawa ʻaʻohe viscosity o ka wai, no ka mea, ua hoʻopuehu wale ʻia ka HPMC i loko o ka wai, ʻaʻohe hoʻoheheʻe maoli. Ma kahi o (e hoʻoulu) no 2 mau minuke, e hoʻonui mālie ka viscosity o ka wai, e hana ana i kahi colloid viscous maopopo. ʻO nā huahana hoʻoheheʻe wela, i ka wai anuanu, hiki ke hoʻopuehu koke ʻia i ka wai wela, nalowale i ka wai wela, e like me ka mahana i lalo i kahi mahana (e like me ka mahana gel o ka huahana), e ʻike mālie ʻia ka viscosity, a hiki i ka hoʻokumu ʻia ʻana o kahi colloid viscous maopopo.
ʻEkolu, he aha ke ʻano o ka hoʻonā ʻana o ka hydroxypropyl methyl cellulose?
1. Hiki ke hoʻohui ʻia nā hiʻohiʻona āpau i ka mea ma o ke ʻano kāwili maloʻo;
2, pono e hoʻohui pololei ʻia i ka hopena wai mahana maʻamau, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ke ʻano hoʻopuehu wai anuanu, ma hope o ka hoʻohui ʻana ma ke ʻano laulā ma 10-90 mau minuke e hoʻomānoanoa (hoʻouluulu, hoʻouluulu, hoʻouluulu)
3. Hoʻopuehu mua ʻia ke kumu hoʻohālike maʻamau ma ka hoʻoulu ʻana me ka wai wela, a laila hoʻoheheʻe ʻia ma ka hoʻohui ʻana i ka wai anuanu ma hope o ka hoʻoulu ʻana a me ka hoʻomaʻalili ʻana.
4. Inā loaʻa ka hanana caking a me ka ʻōwili ʻana i ka wā e hoʻoheheʻe ʻia ai, no ka mea ʻaʻole lawa ka hui ʻana a i ʻole ua hoʻohui pololei ʻia ke kumu hoʻohālike maʻamau i ka wai anuanu. I kēia manawa, pono e hoʻoulu koke ʻia.
5. Inā hana ʻia nā pehu i ka wā e hoʻoheheʻe ʻia ai, hiki ke waiho ʻia no 2-12 mau hola (ua hoʻoholo ʻia ka manawa kikoʻī e ke ʻano o ka hopena) a i ʻole e wehe ʻia e ka vacuum-extraction, pressurization a me nā ʻano hana ʻē aʻe, a hiki ke hoʻohui ʻia kahi nui kūpono o ka mea antifoaming.
ʻEhā, pehea ka maʻalahi a me ka maʻalahi e hoʻoholo ai i ke kū a i ʻole ka hāʻule ʻana o ka hydroxypropyl methyl cellulose?
1, keʻokeʻo, ʻoiai ʻaʻole hiki ke hoʻoholo inā maikaʻi ka HPMC i ka keʻokeʻo, a inā e hoʻohui ʻia i ke kaʻina hana hana, e hoʻopilikia i kona maikaʻi, akā, ʻo nā huahana maikaʻi ka hapa nui o ka keʻokeʻo he maikaʻi.
2, fineness: ʻO ka fineness o HPMC ma ke ʻano laulā he 80 mesh a me 100 mesh, ʻoi aku ka liʻiliʻi o 120, ʻoi aku ka maikaʻi o ka fineness.
3, ka hoʻoili māmā: HPMC i loko o ka wai, e hana ana i kahi colloid moakaka, ʻike ʻia kona hoʻoili māmā, ʻoi aku ka nui o ka penetrability o ka maikaʻi, ʻoi aku ka liʻiliʻi o ka wehewehe ʻana i nā insolubles i loko, ʻoi aku ka maikaʻi o ka hopena kū pololei i loko o ka ipuhao ma ke kekelē ma ke ʻano he maikaʻi, e hoʻouna aku i kekahi hopena kū pololei i ka ipuhao, akā ʻaʻole hiki ke wehewehe i ka maikaʻi o ka hana ʻana o ka ipuhao kū pololei ma mua o ka hana ʻana o ka ipuhao wahaheʻe, he nui nā mea e hoʻoholo ai i ka maikaʻi o ka huahana.
4, ka nui: ʻo ka nui o ka nui, ʻoi aku ka maikaʻi o ke kaumaha ma mua o ka nui, ma ke ʻano laulā no ka mea he kiʻekiʻe ka nui o ka hydroxypropyl, a ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai.
ʻElima, hydroxypropyl methyl cellulose i ka nui o ka pauka putty?
ʻO ka nui o ka hoʻohana ʻana o ka HPMC ma ke ʻano maoli, ʻokoʻa ke ʻano o ke aniau, ka mahana, ka maikaʻi o ka lehu kalipuna kūloko, ka pauka putty a me nā koi o ka mea kūʻai aku, a he ʻokoʻa ke ʻano o ka hoʻohana ʻana, ma ke ʻano laulā, ma waena o 4-5 kg.
ʻEono, ʻoi aku ka maikaʻi o ka hydroxypropyl methyl cellulose viscosity?
E luhi me ka pauka keiki he 100 tausani ma ke ʻano laulā. ʻAe, ʻoi aku ke kiʻekiʻe o ke koi i ka mortar, makemake ʻia he 150 tausani e maikaʻi wale nō ke hoʻohana ʻia, a, ʻo ka hana nui o HPMC ka paʻa ʻana i ka wai, a ʻo ka mea aʻe ka mānoanoa. I loko o ka pauka putty, inā maikaʻi ka paʻa ʻana o ka wai, haʻahaʻa ka mānoanoa (7-8), hiki nō hoʻi, ʻoiaʻiʻo, ʻoi aku ka nui o ka mānoanoa, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai, i ka wā e ʻoi aku ai ka mānoanoa ma mua o 100,000, ʻaʻole nui ka hopena o ka mānoanoa i ka paʻa ʻana o ka wai.
ʻEhiku, he aha nā ʻōkuhi loea nui o ka hydroxypropyl methyl cellulose?
Ka nui o ka hydroxypropyl
ʻO ka nui o ka methyl
mānoanoa
lehu
Pohō kaumaha maloʻo
ʻEwalu, he aha nā mea nui o ka hydroxypropyl methyl cellulose?
ʻO nā mea maka nui a HPMC: pulupulu i hoʻomaʻemaʻe ʻia, chloromethane, propylene oxide, nā mea maka ʻē aʻe, nā papa alkali, waikawa toluene.
ʻEiwa, hydroxypropyl methyl cellulose i ka noi o ka pauka putty, ke kuleana nui, inā paha he kemika?
I loko o ka pauka putty, ʻekolu ona kuleana: ka mānoanoa, ka paʻa ʻana o ka wai a me ke kūkulu ʻana. I ka mānoanoa ʻana, hiki ke hoʻomānoanoa ʻia ka cellulose e pāʻani i kahi hoʻokuʻu ʻana, i mea e mālama ai ka hopena i ka like a me lalo i ke kuleana like, anti flow elbow. Paʻa wai: e maloʻo mālie ka pauka putty, kōkua ka hopena calcium lehu ma lalo o ka hana a ka wai. Kūkulu ʻana: Loaʻa i ka Cellulose ka hopena lubricating, hiki ke hana i ka pauka putty i kūkulu maikaʻi ʻia. ʻAʻole komo ʻo HPMC i kekahi hopena kemika, pāʻani wale i kahi kuleana kōkua.
ʻO ka Hydroxypropyl methyl cellulose ka non-ionic cellulose Ether, a laila he aha ka non-ionic?
Ma keʻano laulā, ʻaʻole komo nā mea inert i nā hopena kemika.
No ka cationic cellulose ka CMC (carboxymethyl cellulose), no laila e lilo ka calcium hina i slag bean curd.
11. He aha ka pili o ka mahana gel o ka hydroxypropyl methylcellulose?
Pili ka mahana o ka gel o HPMC i kona ʻike methoxy. ʻO ka haʻahaʻa o ka ʻike methoxy, ʻo ke kiʻekiʻe o ka mahana o ka gel.
ʻUmikūmālua, ʻaʻohe pilina o ka pauka putty a me ka hydroxypropyl methyl cellulose?
He mea nui ia!! ʻAʻole paʻa ka wai o HPMC, e hana ai i ka pauka.
13. He aha ka ʻokoʻa ma waena o ka wai anuanu koke a me ka wai wela o ka hydroxypropyl methyl cellulose i ke kaʻina hana?
ʻO ke ʻano HPMC wai anu e hoʻoheheʻe ʻia me ka wai anuanu ma hope o ka mālama ʻana i ka ʻili glyoxal, i ka wai anuanu e hoʻopuehu koke ʻia, akā ʻaʻole i hoʻoheheʻe maoli ʻia, piʻi ka mānoanoa, a hoʻoheheʻe ʻia. ʻAʻole i mālama ʻia ka ʻili glyoxal no ke ʻano hoʻoheheʻe wela. Nui ka nui o ka glyoxal, wikiwiki ka hoʻopuehu ʻana, akā lohi ka mānoanoa, liʻiliʻi ka nui, ma ke ʻano ʻē.
14, pehea e hoʻihoʻi ai i kahi kuleana ke ʻala o ka hydroxypropyl methyl cellulose?
ʻO ka HPMC i hana ʻia e ke ʻano solvent ua hana ʻia me ka toluene a me ka isopropyl alcohol ma ke ʻano he solvent. Inā ʻaʻole maikaʻi loa ka holoi ʻana, e koe ana kekahi ʻono. (ʻO ka hoʻōla neutralization ke kaʻina hana nui o ka ʻala)
15, nā hoʻohana like ʻole, pehea e koho ai i ka hydroxypropyl methyl cellulose kūpono?
Pauka Putty: koi paʻa wai kiʻekiʻe, maʻalahi ke kūkulu ʻana (papa i manaʻo ʻia: 7010N)
ʻO ka mortar sima maʻamau: paʻa wai kiʻekiʻe, kūpaʻa wela kiʻekiʻe, mānoanoa koke (papa i manaʻo ʻia: HPK100M)
Ka hoʻohana ʻana i ke kāpili hale: nā huahana koke, ka mānoanoa kiʻekiʻe. (Lama i manaʻo ʻia: HPK200MS)
ʻO ka palai Gypsum: paʻa wai kiʻekiʻe, viscosity waena a haʻahaʻa, viscosity koke (pae i manaʻo ʻia: HPK600M)
16, he aha ka inoa kapakapa hydroxypropyl methyl cellulose?
ʻO HPMC a i ʻole MHPC alias hydroxypropyl methyl cellulose, cellulose hydroxypropyl methyl ether.
ʻUmikūmāhiku, hydroxypropyl methyl cellulose i ka noi ʻana o ka pauka putty, putty pauka pehu he aha ke kumu?
HPMC i loko o ka pauka putty, pāʻani i ʻekolu mau kūlana o ka mānoanoa, ka paʻa ʻana o ka wai a me ke kūkulu ʻana, ke kumu no ka pehu:
1. Ua hoʻohui ʻia ka nui o ka wai.
2. ʻAʻole maloʻo ka lalo, ma luna o kahi papa ʻē aʻe o ke kahakaha ʻana, maʻalahi hoʻi e pehu.
ʻUmikūmāwalu, hydroxypropyl methyl cellulose a me MC he aha ka ʻokoʻa:
ʻO MC ka methylcellulose, i hana ʻia me ka pulupulu i hoʻomaʻemaʻe ʻia ma hope o ka mālama ʻana i ka alkali a me ka methane chloride ma ke ʻano he etherification agent ma o kahi moʻo o nā hopena e hana ai i ka cellulose ether. Ma keʻano laulā, ʻo ke kekelē o ka pani ʻana he 1.6-2.0, a ʻokoʻa hoʻi ka solubility o nā kekelē like ʻole o ka pani ʻana, nona ka non-ionic cellulose ether.
(1) ʻO ka paʻa ʻana o ka wai o ka methyl cellulose e pili ana i ka nui o ka hoʻohui ʻana, ka mānoanoa, ka maikaʻi o nā ʻāpana a me ka wikiwiki o ka hoʻoheheʻe ʻana. Ma keʻano laulā, inā nui ka nui o ka hoʻohui ʻana, liʻiliʻi ka maikaʻi a nui ka mānoanoa, kiʻekiʻe ka nui o ka paʻa ʻana o ka wai. He mana nui ka nui o ka hoʻohui ʻana i ka nui o ka paʻa ʻana o ka wai, a ʻaʻole pili ka mānoanoa i ka nui o ka paʻa ʻana o ka wai. ʻO ka wikiwiki o ka hoʻoheheʻe ʻana e pili nui ana i ke kekelē hoʻololi ʻana o ka ʻili o nā ʻāpana cellulose a me ka maikaʻi o nā ʻāpana. Ma nā mea i luna aʻe nei, ʻoi aku ka kiʻekiʻe o ka nui o ka paʻa ʻana o ka wai o ka cellulose ether methyl cellulose a me hydroxypropyl methyl cellulose.
(2) Hiki ke hoʻoheheʻe ʻia ka methyl cellulose i ka wai anuanu, e pilikia ka hoʻoheheʻe ʻana i ka wai wela, ʻo kona hopena wai i ka pae o ka pH = 3-12 he paʻa loa ia, a maikaʻi ka hoʻohālikelike ʻana o ka starch a me nā surfactant he nui, a i ka wā e hiki ai ka mahana i ka mahana gelation, e hana ʻia ka hanana gelation.
(3) ʻO ka loli o ka mahana e hoʻopilikia nui i ka nui o ka paʻa ʻana o ka wai o ka methyl cellulose, ʻo ke kiʻekiʻe o ka mahana, ʻoi aku ka ʻino o ka paʻa ʻana o ka wai. Inā ʻoi aku ka mahana o ka mortar ma mua o 40 degere, e ʻoi aku ka ʻino o ka paʻa ʻana o ka wai o ka methyl cellulose, e hoʻopilikia nui ana i ke kūkulu ʻana o ka mortar.
(4) He mana koʻikoʻi ko ka Methyl cellulose i ke kūkulu ʻana a me ka hoʻopili ʻana o ka mortar. Maanei, pili ka hoʻopili ʻana i ka ikaika hoʻopili i manaʻo ʻia ma waena o ka mea hana daub a ka poʻe hana a me ka substrate paia, ʻo ia hoʻi, ke kūpaʻa ʻoki o ka mortar. Nui ka waiwai hoʻopili, nui ka kūpaʻa ʻoki o ka mortar, a nui nō hoʻi ka ikaika e pono ai nā limahana i ke kaʻina hana o ka hoʻohana ʻana, no laila ʻaʻole maikaʻi ka waiwai kūkulu o ka mortar.
Ka manawa hoʻouna: Sep-07-2022